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Eclipse Platform
Release 3.5

org.eclipse.ui.dialogs
Class FileEditorMappingContentProvider

java.lang.Object
  extended by 
org.eclipse.ui.dialogs.FileEditorMappingContentProvider
All Implemented Interfaces:
IContentProvider, IStructuredContentProvider

public class FileEditorMappingContentProvider
extends Object
implements IStructuredContentProvider

A content provider for displaying of IFileEditorMapping objects in viewers.

This class has a singleton instance, FileEditorMappingContentProvider.INSTANCE, which can be used any place this kind of content provider is needed.

See Also:
IContentProvider

Field Summary
static  FileEditorMappingContentProvider INSTANCE
          Singleton instance accessor.
 
Method Summary
 void dispose ()
          Disposes of this content provider.
  Object[] getElements ( Object element)
          Returns the elements to display in the viewer when its input is set to the given element.
 void inputChanged ( Viewer viewer, Object oldInput, Object newInput)
          Notifies this content provider that the given viewer's input has been switched to a different element.
 
Methods inherited from class java.lang. Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

INSTANCE

public static final 
FileEditorMappingContentProvider INSTANCE
Singleton instance accessor.

Method Detail

dispose

public void dispose()
Description copied from interface: IContentProvider
Disposes of this content provider. This is called by the viewer when it is disposed.

The viewer should not be updated during this call, as it is in the process of being disposed.

Specified by:
dispose in interface IContentProvider

getElements

public 
Object[] getElements(
Object element)
Description copied from interface: IStructuredContentProvider
Returns the elements to display in the viewer when its input is set to the given element. These elements can be presented as rows in a table, items in a list, etc. The result is not modified by the viewer.

NOTE: For instances where the viewer is displaying a tree containing a single 'root' element it is still necessary that the 'input' does not return itself from this method. This leads to recursion issues (see bug 9262).

Specified by:
getElements in interface IStructuredContentProvider
Parameters:
element - the input element
Returns:
the array of elements to display in the viewer

inputChanged

public void inputChanged(
Viewer viewer,
                         
Object oldInput,
                         
Object newInput)
Description copied from interface: IContentProvider
Notifies this content provider that the given viewer's input has been switched to a different element.

A typical use for this method is registering the content provider as a listener to changes on the new input (using model-specific means), and deregistering the viewer from the old input. In response to these change notifications, the content provider should update the viewer (see the add, remove, update and refresh methods on the viewers).

The viewer should not be updated during this call, as it might be in the process of being disposed.

Specified by:
inputChanged in interface IContentProvider
Parameters:
viewer - the viewer
oldInput - the old input element, or null if the viewer did not previously have an input
newInput - the new input element, or null if the viewer does not have an input

Eclipse Platform
Release 3.5

Guidelines for using Eclipse APIs.

Copyright (c) Eclipse contributors and others 2000, 2008. All rights reserved.


 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire